Order your layout like this and you will able to put button to above keyboard
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
>
<ScrollView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_above="@+id/button_next"
android:background="#0ff"
>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
>
<EditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="250dp"
android:hint="Hint"
/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="ABC"
android:textSize="50sp"
/>
</LinearLayout>
</ScrollView>
<Button
android:id="@+id/button_next"
android:layout_width="match_parent"
android:layout_height="60dp"
android:layout_alignParentBottom="true"
android:layout_margin="10dp"
android:text="Button Next"
/>
</RelativeLayout>
In android manifest
<application
...
>
<activity android:name=".YourActivity"
android:windowSoftInputMode="adjustResize"
>
</activity>
</application>

Note that, instead of RelativeLayout
, you can also use another ViewGroup
like LinearLayout
with weight, CordinatorLayout
, ...